"He Said She Said" is a song recorded by American recording artist Ashley Tisdale. The song was written by Jonathan "J. R." Rotem, Evan "Kidd" Bogart, and Ryan Tedder, and produced by Rotem for Tisdale's debut studio album Headstrong. The song was first recorded in 2006 at Chalice Recording Studios in Los Angeles, California. It was released later that year for digital download, and was officially released as a single on January 15, 2007, as the second international single. The song was later released in the United States on February 5, 2007. A CD single was released in both territories, featuring remixes of the song and her previous single, "Be Good to Me". In 2009, a "MegaRemixes" edition of the single was released for digital download, and featured 16 remixes of the single. He Said She Said features musical elements of dance-pop, pop rap, and R&B.

The single received a mixed critical reception, but had moderate commercial performance. It is Tisdale's most successful single in the United States, peaking at number 58 on the Billboard Hot 100. The song also reached number 37 on the Pop Songs chart and number 21 on the Hot Dance Club Play chart. The single was later certified Gold by the RIAA for sales of 500,000 copies. The song also charted in countries such as Canada and the United Kingdom, though it failed to have much success in either country. The song performed best in Australia and Germany, where it reached the Top 40 and Top 20, respectively. Tisdale promoted the single mainly through live performances. She performed the song on the "High School Musical: The Concert" tour, along with other songs from her debut album. The song was also featured on the setlist of Tisdale's "Headstrong Tour Across America", a mall tour throughout the United States. Tisdale also performed the track on television shows such as Good Morning America and Live With Regis and Kelly. Additionally, the song was also performed on The Early Show.

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